Difficult to do. Cold start time is slow on the free plan because they have to start a "server". They don't need to do this with the paid plan, but then again,

Difficult to do. Cold start time is slow on the free plan because they have to start a "server". They don't need to do this with the paid plan, but then again, you're paying for uptime of a server. Serverless don't need to do this.